Abstract
A method of refraction shooting is developed for the purpose of investigating subsurface structures by utilizing the principle of continuous profiling now generally in use for detailed and more accurate reflection surveys. The basic assumptions and the general theory, which will allow individual depth determinations for all geophone locations, are discussed. The practical application is illustrated with sample records and cross sections. Several field techniques, as well as efficiency with regard to accuracy, production, and cost are discussed and analyzed.

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